USB interface



FIG. 1 is an isometric view of an USB interface showing our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a first side view thereof; and,

FIG. 7 is a second side view thereof. 

CLAIM The ornamental design for an USB interface, as shown and described. 